SOLUTION: A CHEMISTRY STUDENT NEEDS 10L OF 12% ACID SOLUTION.THE LAB HAS MADE AMPLE AMOUNTS OF 10% AND 20% ACID SOLUTIONS.HOW MANY LITERS OF EACH SOLUTION SHOULD THE STUDENT MIX?

SOLUTION: A CHEMISTRY STUDENT NEEDS 10L OF 12% ACID SOLUTION.THE LAB HAS MADE AMPLE AMOUNTS OF 10% AND 20% ACID SOLUTIONS.HOW MANY LITERS OF EACH SOLUTION SHOULD THE STUDENT MIX?

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Question 254995: A CHEMISTRY STUDENT NEEDS 10L OF 12% ACID SOLUTION.THE LAB HAS MADE AMPLE AMOUNTS OF 10% AND 20% ACID SOLUTIONS.HOW MANY LITERS OF EACH SOLUTION SHOULD THE STUDENT MIX?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
In the future do not write in all capitals. It is harder to read and it is considered shouting on the internet.
.12*10=.1*x+.2*(10-x)
x is the amount of 10% solution and (10-x) is the amount of 20% solution.
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